linux-kernel - Re: [PATCH 09/24] C6X: signal management

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Message-ID: <1314870603.8038.27.camel@mfleming-mobl1.ger.corp.intel.com>
Date:	Thu, 01 Sep 2011 10:50:03 +0100
From:	Matt Fleming <matt@...sole-pimps.org>
To:	Mark Salter <msalter@...hat.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	ming.lei@...onical.com, stern@...land.harvard.edu
Subject: Re: [PATCH 09/24] C6X: signal management

On Wed, 2011-08-31 at 17:26 -0400, Mark Salter wrote:
> +static int setup_rt_frame(int signr, struct k_sigaction *ka, siginfo_t *info,
> +			   sigset_t *set, struct pt_regs *regs)
> +{
> +	struct rt_sigframe __user *frame;
> +	unsigned long __user *retcode;
> +	int err = 0;
> +
> +	frame = get_sigframe(ka, regs, sizeof(*frame));
> +
> +	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
> +		goto segv_and_exit;

[...]

> +segv_and_exit:
> +	force_sig(SIGSEGV, current);
> +	return -EFAULT;
> +}

Shouldn't that really be a call to force_sigsegv(signr, current) ?


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